Woodworking-machine.



J. w. WADKIN & T. SCOTT-KING.

WOODWORKING MAGHINE APPLIGATION FILED AUG.22,1908.

Patented Sept. 21. 1909.

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J. W. WADKIN & T. SCOTT-KING.

WOODWORKING MACHINE. APPLIOATIONVFILED AUG. 22,

Patented Sept. 21. 1909.

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I. W. WADKIN & T. SCOTT-KING. WOODWORKING MAGHINE. APILIOATION FILEDAUG.22,1908. 934 484 Patented Sept. 21. 1909. 12 SHEETSSHEET 4.

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Patented Sept. 21. 1909.

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APPLICATION FILED AUG. 22,1908. 934,484. Patented Sept. 21, 1909.

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woonwonxme MACHINE. APPLICATION FILED AUG, 22,1908.

- Patented Sept. 21. 1909.

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J. W. WADKIN & T. SCOTT-KING. WOODWORKING MACHINE.

APPLICATION FILED AUG. 22,1908.

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Patented Sept. 21. 1909.

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'J. w. WADKIN & T. SCOTT-KING.

Woonwonxme MAOHINB.

APPLICATION FILED AUG. 22, 1908.

, Patented Sept. 21. 1909.

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J. W. WADKIN & T. SCOTT-KING.

WOODWORKING MACHINE.

APPLICATION FILED AUG.22,1908.

Patented Sept. 21. 1909.

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MW fa /a i M yfimwcmfdiii W UNITED STATES PATENT OFFICE.

JOSEPH WILLIAM WAIDKIN, OF PRESTON, AND THOMAS SCOTT-KING, OF PENARTH,ENGLAND.

WOODWORKING-MACHIN E.

Specification of Letters Patent.

Patented Sept. 21, 1909.

Application filed August 22, 1908. Serial No. 449,874.

To all w]: 0m it may concern:

Be it known that we, JOSEPH \VILLIA'M TADKIN, a subject of the King ofGreat Britain and Ireland, and residing at 18 Bairstow street, Preston,in the county of Lancaster, England, and -THOMAS SCOTT- Kine, a subjectof the King of Great Britain and Ireland, and residing at 43 WVestbourneroad, Penarth, in'the county of Glamorgan, Vales, England, have inventedcertain new and useful Improvements in WVoodworking Machinery, of whichthe following is a specification.

his invention relates to wood working machinery the object being toconcentrate in a single machine, the working functions of-all, or nearlya1l,-other wood-working machines usually employed to produce irregularforms of more than one geometric function, that is to say to provide amachine which will stand relatively to all other single function woodworking machines as the Universal milling machine stands to all othermetal working machines excepting those producing turned or planed work.

The machine is especially arranged for the production of intricate coreand pattern work, recessing in joinery, profiling, instrument andammunition trays and cases, ornamentation geometric cabinet work,carriage and motor body work and the like in which irregular forms occurthat have hitherto been produced by hand, or by hand guided materialoperated under separate machines.

In core boxes and like work itis often necessary to formsemi-cylindrical recesses of considerable length and curvature such asfor instance, straight and bent pipes, passages in valves and like work,and in order to accurately produce these shapes it is necessary that thecenter of the cutter spindle and housing shall be in the same plane asthe upper surface of the work operated upon.

In producing irregular surfaces it is necessary to frequently reversethe direction of the cutter in order to cut with the grain, and it isdesirable to have the operating mechanism placed in as closejuxtaposition to the cutter spindle as possible so as to reduce theinertia and momentum of the parts started and stopped to a minimum.

According to the present invention the cutter spindle is mounted at oneend on an overhanging arm supported on an upright standard", column or'a convenient fixture attached to the wall or column of the bu1lding, thework operated upon being placed upon a table adapted to run on a runwayor rails, and provided with various adjustments for raising and loweringthe cutter spindle and 'IIIJHIIg the work table into various positions.ill order to place the control within easy reach of the operator spindleform an important ieature of the invention. it is driven from ahorizontal shaft passing through the overhanging arm by. means of Wormor other gearing which permits of the spindle being mounted in suchrelation to the arm that the center of the spindle may be at or belowthe level of the work operated upon, and the horizontal shaft is drivenfrom the main pulley shaft hereinbefore referred to by a belt drive andreversing gear which can be controlled from the capstan head close tothe cutter spindle, and which belt drive automatically adapts itself tothe rising or fallmg motion of the overhanging arm. Similarly the risingand falling motion of the overhanging arm when elfected by hand or wheneffected by power is also controlled from the capstan head.

In the accompanying drawings, Figures 1 and l together form a sideelevation partly in section of a machine according to the invention.Fig. 2 is a front elevation of the vertical'standard. Figs. 3 and 4 arerespectively a side elevation and plan of the overhanging armillustrating the mechanism for raising and lowering the latter. Figs. 5and 6 are front and rear elevations respectively corresponding to Fig.3. Figs. 7 and 8 are detail views of the capstan head shown in Fig. 1.Figs. 9 to* 12 are detail views illustrating a modification in thecontrolling mechanism for elfecting the rising and falling of theoverhanging arm. Fig. 13 is a detail section of catches. Fig. 14c is adetail view of a dial plate and catch plate or stops thereon. Fig. 15 isa detail plan of one of the catch plates. Fig. 16 is a sectionalelevation showing the cutter spindle with its housing and gearing, andalso showing the cutter, the cutter spindle and housing entering thesemi-cylindrical groove in a piece of work. Fig. 17 is a section of thecutter.

In carrying out the invention according to one mode a vertical standard,a, is provided with flanged slides, b, on the vertical face to receivean overhanging arm, 0, having planed bearing strips, (Z, to correspond.The base of the standard, a, is also formed with projecting facings onthe front for the attachment of run-way cross girders, c, for supportingthe run-way, f, upon which the Work table, 9, is adapted to run. A maindriving pulley, h, is mounted on a main driving shaft, 2', near the baseof the standard, a. The shaft, 2', may of course be driven by anelectric motor either directly or through gearing. On the shaft, 1', isa second pulley, is. A set of pulleys is carried by a rising and fallingarm, these pulleys, however, being so mounted within a framework orbracket extending from the arm that they are situated within thevertical standard. The set comprises two pulleys, Z, m, which are drivenfrom the pulley, is, and two other pulleys, a 0, which drive the feedmotion shaft, 39, for giving the up and down motion to the overhangingarm, 0. The pulleys, Z on, are driven by a single belt, q, from thepulley, 7c, the two sides of the belt as they rise from the latter beingrespectively passed over the two pulleys, Z m, and being tensioned by apulley, 1, arranged in the loop of the belt, 9, and carried upon asliding frame, 8, attached to asuitable counterweight. By this means thebelt is always maintained in proper tension whatever may be the positionof the overhanging arm. The tension or balance pulley, r, is carried bythe frame, 8, sliding vertically on two rods, u, supported at the top ofthe standard and at the cross girder, m, at the bottom thereof. A checkwire, '22, supports the frame, .9, and balance pulley, r, in the eventof the belt, g, breaking, the check wire, 0, being looped through abracket, to, and attached to the cross girder, a", at the base of thestandard. The two pulleys, Z m, driven by the looped belt, 9, arearranged to run loose. ternally with clutch surfaces into which conicalclutch members, l/ .2, can be thrust so as to clutch either of thepulleys, Z 112, to a horizontal shaft, 2, running through theoverhanging arm, 0, which shaft is adapted to drive the cutter spindleas hereinafter described. As the two. pulleys, Z m, are driven by theopposite sides of the same belt, 9, they run in opposite directions soThey are fitted inseml-cylmdrlcal grooves are to be cut,'as 1I1- that byclutching one or the other pulley to the horizontal shaft, 2, a forwardor reverse drive is imparted to the cutter spindle, 3.

The conical clutch members, 3 2, above referred to are integral with orsecured to a sleeve, at, which is capable of being moved longitudinallyon the horizontal shaft, 2, but is adapted to rotate the latter by meansof a cotter, The horizontal shaft, 2, is hollow and a controlling rod,6, is passed right through it. This rod, 6, is connected to the cotter,5, at one end while the other end which is situated at the capstan headnear the cutter spindle, 3, is fitted with collars, 7, which are adaptedto be engaged by athreaded piece, 8, engaging in a screw threaded boss,9, and arranged to be rotated by a hand wheel, 10, on the face of thecapstan head so as to impart a longitudinal movement to the controllingrod, 6, for the purpose of putting one or other clutch, y 2, into gearor for disengaging both of them as the case may be. The threaded piece,8, has clutch jaws, 11, which are engaged bysimilar jaws, 12, on thehand wheel, 10, the latter rotating within the threaded boss, 9, butbeing prevented from moving in an endwise direction by means of a pin,12 engaging in a groove in said wheel. The hand wheel, 10, is providedwith an eccentric pin, 13, adapted to be engaged by a spring pressedplunger, 14, so

that the wheel, 10, is maintained or locked in either the backward orforward position so as to hold the respective clutch in gear. The end ofthe plunger, 14, has a projecting ridge to engage in a slot in theeccentric pin when the hand lever is in the stop or neutral position. Inorder to reduce friction at the collars, 7, on the end of thecontrolling rod, 6, the threaded piece, 8, rests within race ways orball bearings.

The outer spindle, 3, is preferably driven from the horizontal shaft, 2,through worm gear, 15, the worm being multiple threaded and the teeth ofboth the worm and wheel being inclined at the maximum angle 2'. 6. so;although anv other suitable form of drive may be employed as long as thecenter of the cutter spindle is well below the capstan head in order toallow the center of the cutter to be brought down to or below the levelof the surface of the work operated upon. That is, the cutter spindle 3should be so mounted that it and its housing 90 are situated below theoverhanging arm c and sufiiciently clear of the latter that when of thecutter spindle 3 in alinement with the axis of the groove 87 but thespindle 3 and housing 90 are shown actually entering the groove 87. Whencutting semi-cylindrical grooves a circular cutter 89 is preferablyused, the cutter also preferably being adapted to cut when the spindle 3is revolved in either direction. The cutter spindle, 3, is adapted to bemoved endwiseby means of a hand lever, 16, mounted upon the screwthreaded boss, 9, within which the clutch control devices are mounted ashereinbefore referred to. On a prolongation of this threaded boss, 9, afeed pinion, 17, is keyed. The pinion, 17, engages in a rack, 18,carried within a hollow sliding rod, 19, attached by a cross head, 20,to one end of the cutter spindle, 3, the cross head, 20, being fittedwith ball bearings so as to reduce the friction at this point. In orderto provide for a fine adjustment or a micrometer feed of great exactnesssuch as is required when finishing patterns or for like purposes therack, 18, is mounted upon a threaded spindle, 85, arranged within thesliding rod and fitted with an external hand wheel, 21, as shown in Fig.8, by which the fine adjustment can be made.

The hand lever, 16, before mentioned preferably contains the springpressed plunger, 14, which maintains the clutch controlling hand wheel,10, in its set position and this hand lever, 16, may be locked in anyrequired position by a small spring pressed plunger, 23, adapted toengage in any one of a series of holes in a disk or dial plate, 79, onthe face of the capstan head, and the plunger, 23, may be provided witha small lever on its end by which it may be held in its withdrawnposition when required against the action of its spring, but it ispreferred, however, to arrange this spring pressed plunger or pin, 23,to be withdrawn direct by a knob or milled head, 24, the pin, 23, beingheld in its withdrawn position by giving it a partial turn for instancein an anticlockwise direction so that a pin, 74, (Fig. 13) carried by itengages with a recess, 75, and is held out of action. This arrangementprovides a coarse but fixed amount of feed for lateral cutting. A secondspring pressed catch in the form of a sleeve, 25, surrounds theaforesaid plunger or pin, 23, the sleeve, 25, having two square pins, 2,projecting from its end. This catch is adapted to be withdrawn when theaforesaid plunger, 23, is withdrawn still farther back and given apartial turn in a clockwise direction, the pin, 74, engaging withanother recess, 76, which retains both catch plungers or pins out ofaction. A slot, 77, in the sleeve permits of the plunger, 23, beingwithdrawn without the sleeve, 25. The function of the second catch is toautomatically engage and hold the before mentioned hand lever, 16, inthe zero position and in a movable catch plate, 78. The latter isadapted to slide around the dial plate, 79, and to be clamped in anyposition. It is formed with two square holes, 80, to receive the squarepins, 26, on the catch. A similar catch plate, 81, is screwed or fixedin the zero position. The catch plates, 78 and 81, have stops, 82, 83,respectively just beyond the square holes, 80, 84, up to which thelever, 16, may be moved when the catches are withdrawn. The hand leveris preferably arranged to move through half a circle.

The capstan head containing the helical or spiral gear and other partsreferred to is preferably made in two parts, 27, 28, split on the centerof the worm wheel, 15, and cutter spindle, 3, and in the same plane. Thehead revolves in the fore portion of the overhanging arm, 0, and is heldin place endwise by a halved ring, 29, and three binding screws, 30. Theouter part of the capstan head is bored to receive the threaded boss, 9,which operates the threaded piece, 8, working between the ball bearingson the end of the clutch controlling rod, 6. The capstan head may beheld or locked in various positions by means of a spring pressedplunger, 31, adapted to engage in any one of a series of holes, 32, onthe adjacent portion of the overhanging arm, 0, a suitable scale or gagebeing marked thereon and a pointer, 33, being provided on the capstanhead. The spring pressed plunger may be held in the withdrawn positionby a small lever, 34, pivoted on its end, the lever being provided witha knob or enlargement, 35, adapted to be moved into a cavity on the headso that the plunger is held in the withdrawn position against the actionof its spring.

The cutter spindle, 3, is mounted in ball bearings suitably arrangedwithin a housing carried by the capstan head.

The up and down feed motion of the overhanging arm, 0, is effected bymeans of a vertical feed screw, 3), which is carried by an overhangingbracket, 36, at the top of the vertical standard, d. hen the power feedis used the vertical feed screw, 2), is stationary and the overhangingarm, 0, is fitted with a nut, 37, attached to or integral with a wormwheel, 38, which is rotated in one direction or the other, so as tocause the overhanging arm, c, to rise or fall, by means of a Worm shaft,39, fitted with two pulleys, 40, 41, driven by belts from pulleys, n 0,integral with or attached to the clutch pulleys, Z m, hereinbeforereferred to. As these clutch pulleys, Z m, are constantly rotated thebelts connecting the pulleys 40, 41, to the feed pulleys, 1 o, arenormally loose but they are adapted to be tensioned as required by meansof tension pulleys, 42, 43, carried by rocking levers, 44, 45, which aremounted on a rock shaft, 46, extending to the end of the overhangingarm, 0, adjacent to the capstan &

head where it is provided with a handle, 47, by which the operator cantension either belt as desired or let both of them run free accordinglyas he desires the overhanging arm, 0, to rise, fall or remainstationary. The overhanging arm, 0, is also provided with hand feed gearwhich consists of a bevel wheel, 48, fitting on the top of the threadsof the feed screw, 1), and having a sliding key,

- the arrangement being such that when the bevel wheel, 48, is revolvedthe feed screw, 77, is rotated in the worm wheel, 38. The bevel wheel,48, is adapted to be revolved by means of a pinion, 50, fitted on theend of a shaft, 51, extending to the end of the overhanging arm, 0,adjacent to the capstan head whereit is fitted with a hand wheel, 52. Anindex pointer, 53, is provided for this: hand wheel, 52. The pointerbeing stationary as shown in Figs. 1 and 7 or adapted to be adjusted tothe zero position of the wheel and locked in place by means of a lockinglever, 54, Fig. 3, so that the small degrees of feed required can beaccurately effected by means of this hand wheel, 52. From the above itwill be understood that when the power feed is used the hand feed locksor holds the feed screw, whereas when the hand feed is operated thepower feed locks the worm wheel or nut for the screw which is rotated bythe hand feed mechanism. Means may be provided for enabling the feed toautomatically stop when. arriving at the top or bottom positions.

An alternativev arrangement for the hand and power motion for raisingand lowering the arm, 0, is illustrated in Figs. 9 to 12. In

this case the pulleys, 40, 41, are loosely l mounted on the worm shaftwhich is formedas an extension of the shaft, 51. The pulleys are formedwith clutch surfaces, 55, 56, adapted to be engaged by correspondingclutch members, 58, 59, of a duplex clutch member, 60, secured on theshaft, 51. The outer end of this shaft is provided with a collar, 61,situated within a box, 62, which is engaged and prevented from rotatingby the fork, 63, of a lever, 65, pivoted on a pin, 64, carried by abracket, 65. By oscillating the lever, 65, the shaft, 51, isreciprocated and consequently the clutch members, 58', 59, may bebrought respectively into engagement with the clutch members, 55-, 56,on the pulleys, 40, 41, the shaft, 51, being accordingly rotated tocause the worm, 39, thereon and the worm wheel, 38, to effect a rise orfall of the arm, 0. In order to allow for a hand feed the shaft, 51, isadapted to be locked to the hand wheel, 52, for instance, the end of theshaft, 51, is fitted with a double ended clutch piece and driver, 66,which engages a split clutch ring, 67, a slotted groove in the latter"receiving the driver end, 68, of the driver, 66 while the bifurcatedend, 69', thereof projects into the space, 70, between the ends of thesplit ring,

' 67 These ends are beveled and the tongues of the bifurcated end, 69,are also beveled. The ends of the ring and the tongues have slightcentral flats so that when these coincide as shown in Fig. 12 the ringis expanded and pressing firmly against the boss of the wheel 52, locksthe latterto the shaft, 51, so that the latter can be rotated and a handfeed effected. This position of the shaft, 51, corresponds to thecentral or neutral position of the clutch member, 60, when neitherwheel, 40, 41, is clutched to the shaft, 51, and the power feed is outof gear. When the shaft, 51, is slid by the lever, 65-, to either sideof this central position to cause the arm, a, to be raised or lowered bypower, then the beveled ends of the split ring, 67, are released and thelatter springs inward onto washers, 71, thus releasing the hand wheel,.

52. The latter is retained in the boss of the bracket, 65, by a setscrew, 72, and a ring, 73.

It is preferred to employ for the work table one comprising an upperrotatable table mounted upon another table which can be moved on slidesby a screw or other device, which slides are mounted upon a third tableadapted to be moved in slides at right angles to those just mentioned,the latter being carried upon a column having a split or splayed basefitted with wheels adapted to run on rails or run-ways connected bycross girders 1 with a rack into which a pinion may mesh, 1 the shaftfitted with a hand wheel and suitably pinion being carried upon avertical mounted: upon. the table base so that the table may be run ormoved by hand.

Having now described our invention what we claim as new and desire tosecure by Letters Patent is 1. In a woodworking machine having anoverhanging arm, a. capstan head in the end of the arm, a housingcarried by and below said head, a cutter spindle carried by saidhousing, and gearing for rotating said spindle, said spindle and housingbeing adapted. to be lowered until the axis of the cutter spindle is ator below the level. of the work operated on, substantially as and forthe purpose hereinbefore set forth.

2.. In a woodworking machine having an overhanging arm, means for bodilyraising and lowering said arm in a vertical plane,

a capstan head on the end of the arm, a housing carried by and belowsaid head, a cutter spindle mounted in said housing and means forrotating said spindle, substantially as and hereinbefore set forth.

3. In a wood working machine having an overhanging arm means for raisingthe arm by power, means for raising the arm by hand, a capstan head onthe end of the arm, acutter spindle mountedin said head, and means forrotating said spindle in either direction, substantially as hereinbeforeset forth.

4. In a wood working machine having an overhanging arm, a standard forsupporting said arm, a screw carried by the standard, a rotary nutengaging said screw and carried by the arm, means for rotating the nutby power and means for rotating the shaft by hand, a capstan head on theend of said arm, a cutter spindle mounted in said head and means forrotating said spindle, substantially as hereinbefore set forth.

5. In a wood working machine in combination, an overhanging arm, astandard for supporting the same, means for raising and lowering saidarm, a capstan head on the end of said arm, a cutter spindle mounted insaid head, worm gearing for driving said spindle a main shaft within thestandard, and a reversing gear for connecting said shaft to the wormgearing for enabling the cutter spindle to be driven in either direction, substantially as hereinbefore set forth.

6. In a wood working machine in combination, an overhanging arm, astandard for supporting the same, means for raising and lowering thearm, a capstan head, on the end of the arm, a cutter spindle mounted insaid head, worm gearing for driving said spindle, a shaft connected withsaid gearing and extending to the aforesaid standard, pulleys looselymounted on said shaft, means for driving said pulleys in oppositedirections and means for connecting either pulley to the shaft.

7. In a wood working machine in combination an overhanging arm, astandard for supporting the same, means for raising and lowering thearm, a capstan head on the end of the arm, a cutter spindle mounted insaid head, worm gearing for driving said spindle, a shaft connected withsaid gearing and extending to the aforesaid standard, pulleys looselymounted on said shaft, a belt passing over said pulleys, acounterbalanced tension pulley in one loop of said belt, and a drivingpulley in the other loop, and clutches for securing either of theaforesaid loose pulleys to the shaft, substantially as and for, thepurpose set forth.

8. In a wood working machine in combination, an overhanging arm,astandard for supporting the same, a screw carried by the standard and anut engaging said screw and carried by the arm, a worm and worm wheelfor rotating said nut, a main driving shaft, and means intermediate ofsaid main shaft and the worm for enabling the former to drive the latterin one direction or the other as required to raise or lower the arm,substantially as described.

9. In a wood working machine comprising an overhanging arm, having acapstan head fitted with a cutter spindle and worm gear for driving thelatter the combination of a screw carried by the standard, a nut carriedshaft and worm wheel for rotating said nut. a shaft connected with theaforesaid worm gearing two loose pulleys on said shaft, clutches forconnecting either pulley to the shaft, means for driving said pulleys inopposite directions and means for effecting a driving connection betweeneither of them and the aforesaid worm shaft, substantially ashereinbefore set forth.

10. In a wood working machine comprising an overhanging arm, having acapstan head fitted with a cutter spindle and worm gear for driving thelatter the combination of a screw carried by the standard, a nut carriedby the arm and engaging said screw, a worm shaft and worm wheel forrotating said nut, a shaft connected with the aforesaid worm gearing twoloose pulleys on said shaft, clutches for connecting either pulley tothe shaft, means for driving said pulleys in opposite directions, meansfor effecting a driving connection between either of them and theaforesaid worm shaft, and means for operating said worm shaft by hand,substantially as hereinbefore set forth.

11. In a wood working machine comprising an overhanging arm, having acapstan head fitted with a cutter spindle and worm gear for driving thelatter the combination of a screw carried by the standard, a nut carriedby the arm and engaging said screw, a worm shaft and worm wheel forrotating said nut, a shaft connected with the aforesaid worm gearing twoloose pulleys-on said shaft, clutches for connecting either pulley tothe shaft, means for driving said pulleys in opposite direction a secondpair of loose pulleys on the aforesaid worm shaft, belts connecting thelatter pulleys to the aforesaid pulleys, clutches for connecting eitherof the pulleys on the worm shaft to the latter, and means for rotatingthe worm shaft by hand, substantially as and for the purposeshereinbefore set forth.

12. In a wood working machine comprising an overhanging arm a standardfor supporting the same and a capstan head in the end of the arm havinga cutter spindle, means for driving said spindle in either direction,and means for raising the arm by handor power comprising a screw carriedby the standard, a nut carried by the arm and engaging said screw, aworm shaft and worm wheel for rotating said nut, a pair of loose pulleyson said worm shaft, means for driving said pulleys in oppositedirections clutches comprising clutch surfaces in the pulleys and clutchmembers in the worm shaft for coacting therewith, and means on theaforesaid arm adjacent to the capstan head for reciprocating said wormshaft to engage either clutch and also for rotating the worm shaft byhand.

13. In a wood working machine compris- 65 by the arm and engaging saidscrew, a worm 1 ing an overhanging arm, a standard for sup- 13o portingthe same, and a capstan head in the end of the arm, having a cutterspindle means for driving said spindle in either direction, and meansfor raising the armby hand or power-comprising ascrew carried by thestandard, a nut carried by the arm and engaging said screw, a wormshaft; and worm-wheel for rotating said nut, a pair of loose pulleys onsaid worm shaft, means for driving said pulleys in opposite directionclutches comprising clutch surfaces in the pulleys and clutch members onthe worm shaft for coacting therewith, and means on the aforesaid armadjacent to the capstan head for reciprocating said worm shaft to engageeither clutch and also for rotating the worm shaft by hand, said meanscom prising an oscillatory lever, a collar fixed on the worm shaft, asliding collar engaging therewith and engaged by the oscillatory lever,a hand wheel and means for connect ing said wheel with the worm shaftwhen the latter is moved into either extreme position, and fordisconnecting said wheel from the worm shaft when the latter is in amid-' osition, substantially as hereinbefore set 'orth.

14. In a wood working machine, an overhanging arm a standard forsupporting the same vertical guides on the standard for the one end ofthe arm, means for raising and lowering the arm in said guides, acapstan head at the free endof the arm, a cutter spindle carried by saidhead, in bearings depending below the head, means for rotating saidspindle, and means for reciprocating it, substantially as hereinbeforcset forth.

15. In a wood working machine, an overhanging arm, a vertical standardfor supporting the same, means for raising and low ering said arm, acapstan head on the free end of the arm, a cutter spindle carried by'said head and worm gearing for driving the same, a driving shaftextending through said arm to the standard, a reversing gear within thestandard comprising loose pulleys on the driving shaft means for drivingsaid pulleys in either direction and clutches for securing either pulleyto the driving shaft, a rod passing through the aforesaid shaft foroperating the clutches and means at the capstan head for reciprocatingsaid rod, substantially as hereinb'efore set forth.

16. In a wood working machine, an overhanging arm, a standard forsupporting said arm, means for raising and lowering said arm, a capstanhead on the outer end of the arm, a cutter spindle carried by said head,worm gearing for rotating said spindle, and means for reciprocating saidspindle, comprising a rack connected with the spindle, a pinion gearingwith the rack and mounted on the end of a boss and a hand lever mountedon said boss.

of the arm, a cutter spindle carried by said head, wormgearing forrotating said spindle a' rack, a threaded. spindle carrying said rack, atubular rod carrying the latter a cross head connecting the tubular rodto the cutter spindle, a pinion meshing with the aforesaid rack andmeans for rotating said pinion, substantially as and for the purposehereinbefore set forth.

18. In a wood working machine, an over hanging arm a standard forsupporting said arm, means for raising and lowering said arm, a capstanhead on the outer end of the arm, a cutter spindle carried by said head,worm gearing for rotating said spindle, and means for reciprocating saidspindle com prising a rack connected with the spindle, a pinion gearingwith the rack and" mounted on the end of a boss and a hand lever mountedon said boss and means for locking the an overhanging arm, a standardfor supporting the same, means for raising and lowering said arm, acapstan head in the outer end of the arm, a cutter spindle m'ount ed insaid head, worm gearing for driving said spindle, rack and piniongearing" for re-- ciprocating the same, and a hand lever for rotatingsaid pinion, means for limiting the movements of the hand lever and forlooking it in the extreme position, comprising a springpressed catchcarried by the lever, and adjustable catch plates carried by a dialplate on the capstan head and adapted to be engaged by said catch,substantially as here'- inbefore set forth.

20. A wood working: machine, comprising an overhanging arm, a standardfor supporting the same,- hand and power operated means for raising andlowering the arm, a capstan head carried by the end of the said arm, acutter "spindle mounted on said head, means for rotating the spindle ineither di rection, means for reciprocating the spindle,- and meansadjacent to the capstan head for controlling the means for raising andlowering the arm, and the means for rotating the cutter spindle.

the arm for driving the cutter spindle driv names to this specificationin the presence of subscrlblng Witnesses.

JOSEPH WILLIAM WADKIN. THOMAS SCOTT-KING.

Witnesses as to Joseph William Wadkin:

ERNOLD SIMPSON MosELEY, MALCOLM SMETHURs'r.

Witnesses as to Thomas Scott-King:

ALBERT S. PHILLIPS, HILDA Cox.

ing means and the arm raising and lowering means and means forconstantly driving said pulleys in opposite directions irrespective ofthe height of the arm, consisting of a main 5 driving pulley, a beltpassed over the aforesaid pulleys, and having one loop around the maindriving pulley, a tension pulley in the other loop of the belt and acounterweight for said tension pulley, substantially as here- 10inbefore set forth.

In testimony whereof We have signed our

